Improving wind-turbine performance with PLCs

By Michelle Froese By Tristan Lee, Performance EngineerAES Corporation
Most turbines use mechanical anemometers and wind vanes to measure conditions at a wind farm. Data collected, including the wind speed and direction, is then sent to the turbine controllers, which help optimize the blades for maximum wind generation. However, there is often inherent vulnerability within these existing OEM monitoring and control systems, which can lead to higher maintenance costs and poorer turbine power performance.
AES Corporation maintains 296 wind turbines at its Buffalo Gap Wind Farm.
One problem is that the sensors use moving parts. The anemometer uses “cups” for wind speed measurements and the

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